richard@UbuntuGamingMachine:~$ sudo du -schx /* |sort -hr
du: cannot access '/proc/18625/task/18625/fd/4': No such file or directory
du: cannot access '/proc/18625/task/18625/fdinfo/4': No such file or directory
du: cannot access '/proc/18625/fd/4': No such file or directory
du: cannot access '/proc/18625/fdinfo/4': No such file or directory
277G    total
259G    /home
8.4G    /opt
7.3G    /usr
1.1G    /var
948M    /lib
183M    /boot
158M    /run
74M     /root
16M     /etc
14M     /sbin
13M     /bin
6.0M    /tmp
3.9M    /lib32
16K     /lost+found
8.0K    /media
4.0K    /srv
4.0K    /snap
4.0K    /mnt
4.0K    /lib64
4.0K    /cdrom
0       /vmlinuz.old
0       /vmlinuz
0       /sys
0       /proc
0       /initrd.img.old
0       /initrd.img
0       /dev